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<h1>Franckeite</h1>

<h2>Chemical formula</h2>
Pb<sub>5</sub>Sn<sub>3</sub>Sb<sub>2</sub>S<sub>14</sub>

<h2>External links</h2>
<ul>
<li><a href="https://en.wikipedia.org/wiki/Franckeite">Franckeite - Wikipedia</a></li>
<li><a href="https://www.mindat.org/min-1592.html">Franckeite - mindat.org</a></li>
<li><a href="http://webmineral.com/data/Franckeite.shtml">Franckeite Mineral Data - Mineralogy Database</a></li>
</ul>
